Bristlenose Catfishes: The Plecos of the Genus Ancistrus
On this page, we aim to compile all essential information about the Bristlenose Catfish of the genus Ancistrus.
You will find a comprehensive species list and brief profiles.
In our blog, we regularly post updates about these quirky fellows.
Latest Information about Ancistrus

Four New L-Numbers for long known Ancistrus species
In the DATZ article “Four new L numbers for long-known Ancistrus species,” Ingo Seidel presents four bristlenose plecos in DATZ 02 2025 that have been common in the hobby for many years but have only been traded under their place of origin or fantasy names until ...

The wait is over: our Ancistrus book will be published in May 2025!
Good things come to those who wait! After many years of intensive work and numerous requests from the community, the time has finally come: Our long-awaited book "Antennenwelse: Die Harnischwelse der Gattung Ancistrus" will officially be published on May 5, 2025 ...
